92
M2 Scope/Meter
M2 Scope/Meter Operations
F1 Key, Relative
The lower numbers shown in
do not display when you first select the Volts DC function.
The DMM takes a “snapshot” of the current reading and holds it on the display when the F1 key is
momentarily pressed. A “relative” value, which is continuously updated and shows the relationship
between the initial reading and the most current reading, now displays as well. Additional
momentary presses of the F1 key record new snapshots that replace the previous base reading.
Press and hold the F1 key to cancel the relative function.
Alternate F1 Menu
There is a special alternate menu that is available by pressing and holding the F1 key for several
seconds while in Volts DC mode (
). This menu allows your to modify three settings:
•
Beeper functions
•
Display backlighting
•
Display screen colors
Figure 8-5
Sample active menu select mode screen
Each of these operations are explained below, a second long press of the F1 key returns the
display to the normal mode. The F4 key is nonfunctional in the alternate menu mode.
Pressing
F1
from the alternate menu switches the internal beeper used for the continuity test and
to indicate soft key pushes on and off. The beeper function remains “on” to indicate low battery
conditions and other special functions like loss of contact with the remote device.
Pressing
F2
from the alternate menu changes the intensity of the LCD display backlight. Each key
push advances to the next level of intensity, then returns to the lowest level once maximum
brightness is reached. The backlight never turns completely off. There are five intensity levels for
the backlight.
Pressing
F3
from the alternate menu switches between the two available combinations of screen
background and character colors. One is light characters on a dark background and the other is
dark on light.
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